create table if not exists structure_events (
    id bigserial primary key,
    instrument_id bigint not null references instruments(id),
    timeframe text not null,
    event_type text not null,
    direction text not null,
    broken_level numeric(20,10) not null,
    reference_swing_id bigint references swings(id),
    displacement_event_id bigint references displacement_events(id),
    accepted boolean,
    signal_relevant boolean not null default true,
    ts timestamptz not null,
    meta jsonb not null default '{}'::jsonb,
    created_at timestamptz not null default now()
);

create index if not exists idx_structure_events_instr_tf_ts_desc
on structure_events (instrument_id, timeframe, ts desc);

create index if not exists idx_structure_events_instr_tf_event_ts_desc
on structure_events (instrument_id, timeframe, event_type, ts desc);